code: def delete(session_uuid: str):
      cpu_key = CPUIndex.get(session_uuid)
      preferences_key = CPUPreferencesIndex.get(session_uuid)
  
      if cpu_key:
          c: CPUModel = cpu_key.load()
          CPUIndex.delete(session_uuid)
          c.delete()
  
      if preferences_key:
          cp: CPUPreferencesModel = preferences_key.load()
          CPUPreferencesIndex.delete(session_uuid)
          cp.delete()
  
imports: from typing import Dict, Any
  from fastapi import Request
  from fastapi.responses import JSONResponse
  from labml_db import Model, Index
  from labml_db.serializer.pickle import PickleSerializer
  from labml_app.logger import logger
  from labml_app.enums import COMPUTEREnums
  from ..analysis import Analysis
  from ..series import SeriesModel, Series
  from ..series_collection import SeriesCollection
  from ..preferences import Preferences
  from ..helper import get_mean_series
label_desc: Use image node_id 5 for calling the CPUAnalysis obj's underlying member method code with example usage: obj.delete(session_uuid) without return types